Table 1

Baseline demographics and characteristics of all enrolled patients

Patients (N=32)
Median age, years60 (27–69)
Sex
 Male18 (56)
 Female14 (44)
Stage at enrollment
 Unresectable1 (3)
 Primary metastatic6 (19)
 Recurrent/metastatic25 (78)
Histology
 GBCA6 (19)
 Intra-CCA11 (34)
 Perihilar CCA6 (19)
 Distal CCA9 (28)
ECOG performance status
 0–130 (94)
 22 (6)
Diameter of the largest target lesion (cm)
 <518 (56)
 ≥514 (44)
Sum of target lesions (cm)
 <1020 (62)
 ≥1012 (38)
Sites of metastases
 Liver28 (88)
 Lung5 (16)
 Abdominal lymph node21 (66)
Previous treatment
 Surgery21 (66)
 Locoregional therapy10 (31)
 Chemotherapy7 (22)
 None7 (22)
Tumor PD-L1 expression
 <1%14 (44)
 ≥1%12 (37)
 Not assessable6 (19)
  • Data are n (%), unless otherwise specified.

  • Histology was categorized according to the WHO Classification of Tumors.

  • CCA, cholangiocarcinoma; ECOG, Eastern Cooperative Oncology Group; GBCA, gallbladder carcinoma; PD-L1, programmed cell death-ligand 1.